data = []
for i in range(1,201+1):
    a = f"xiaoming{i}"
    b = f"{a}@china.com"
    c = f"pwd{i}"
    data.append((a,b,c))

n = int(input("请输入页码(1-20):"))
for item in data[(n-1)*10:n*10]:
    print(f"{item[0]}  {item[1]}  {item[2]}")






